Glenn Klingensmith Buchberger, MD
Internal Medicine Physician · Portland, ME
Glenn Klingensmith Buchberger, MD is an internal medicine physician with a practice address in Portland, Maine, and NPI 1598054702, issued on Mar 29, 2011. Check the license (Maine MD25950, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Glenn Klingensmith Buchberger
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD25950 ME
262324 MA
MD463110 PA
Self-reported in NPPES; status is on the state search - Practice location
- 84 Marginal Way Ste 700, Portland, ME 04101
- Phone
- (207) 774-5816
- Enumerated
- Mar 29, 2011
- Record last updated
- Mar 3, 2026
- Medicare enrollment
- Enrolled (PECOS I20220906001766); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 597 in Maine → Look up another NPI →
Also registered at 84 Marginal Way Ste 700
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Boehm, RNGeneral Practice Registered Nurse1467259853
- Danielle Currier, PA-CPhysician Assistant1316183379
- Daniel Griffin, MDEndocrinology, Diabetes & Metabolism Physician1831779867
- Tiffany Jensen-Williams, APRNNurse Practitioner1063120376
- Ashley Johnson, FNPNurse Practitioner1992281117
- Jessica Johnson, RNNurse Practitioner1164137493
Verify Glenn Klingensmith Buchberger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD25950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,405 Medicare Part D claims for 233 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Atorvastatin Calcium154 claims
- Rosuvastatin Calcium130 claims
- Amlodipine Besylate112 claims
- Losartan Potassium106 claims
- Metoprolol Succinate79 claims
- Levothyroxine Sodium75 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Intermed PASouth Portland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Glenn Klingensmith Buchberger among 597 internal medicine physician records in Maine
Glenn Klingensmith Buchberger, MD is one of 597 internal medicine physician records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 69% of them.
- NPI issued2011 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2011 · median 2005 among the 369 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
145 internal medicine physician records list a practice address in Portland
They are 145 of the 6,022 NPPES records with a practice address in Portland, and 597 internal medicine physician records in Maine.
All 597 in Maine → Every provider in Portland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joel Botler, MDPortland, ME 041011891764577
- Charles Cathcart, MDPortland, ME 041011861461535
- Wendy Cathcart, MDPortland, ME 041011295704971
- Thomas Claffey, MDPortland, ME 041011487623153
- Steven Dobieski, MDPortland, ME 041011942279617
- John Erickson, MDPortland, ME 041011043289713
- Debra Fuchs Ertman, MDPortland, ME 041011730158403
- Phyllidia Ku-Ruth, MDPortland, ME 041011497724108
Common questions
What is Glenn Klingensmith Buchberger, MD's NPI number?
Glenn Klingensmith Buchberger, MD's National Provider Identifier (NPI) is 1598054702, issued on Mar 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Glenn Klingensmith Buchberger, MD located?
The NPPES record lists a practice address at 84 Marginal Way Ste 700, Portland, ME, 04101. Phone: (207) 774-5816. Providers update this record themselves, so call before visiting.
How can I verify Glenn Klingensmith Buchberger, MD's license?
NPPES lists Maine license number MD25950, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Glenn Klingensmith Buchberger, MD prescribe under Medicare Part D?
In 2024, Glenn Klingensmith Buchberger, MD had 2,405 Medicare Part D claims for 233 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.